The Lehman College Math Circle has expanded to include college credit courses but we still have occasional meetings. Before 2006, we were only a club with biweekly meetings.

Here are our past events.

Lehman College Math Circle Meetings in Fall 2007 were:

Special meetings selected from precalculus see here.

Lehman College Math Circle Meetings in Spring 2007 were:

• College Now Programming Methods I
• College Now Precalculus

Lehman College Math Circle Meetings in Fall 2006 were:

• Monday September 25, Gillet Hall 333, 4:10-5:50 pm
  "For All, There Exists, and Why? Part I" by Prof. Sormani
• Wednesday September 27, Gillet Hall 333, 4:10-5:50 pm
  "For All, There Exists, and Why? Part II" by Prof. Sormani
• Wednesday November 1, Gillet Hall 333, 4:10-5:50 pm
  "Proof by Induction: Missing the First Step" by Prof. Sormani
• Wednesday November 15, Gillet Hall 333, 4:10-5:50 pm
  "Counting: how long will it take?" by Prof. St.John
• Wednesday December 6, Gillet Hall 333, 4:10-5:50 pm
  "Graphs and Coloring" by Prof. Jung
• Monday December 11, Gillet Hall 333, 4:10-5:50 pm
  "Trees and Tic-Tac-Toe" by Prof. Rosholt
• Mondays and Wednesdays: College Now Discrete Math, Prof. Sormani
• Tuesdays and Thursdays: College Now Precalculus, Prof. Laderman

Lehman College Math Circle Meetings in Fall 2005-Spring 2006 were:

• Mondays/Wednesdays Spring Semester: College Now Precalculus, Prof. Sormani
• Friday April 28 4:00 - 5:30 pm: Hyperbolic Geometry, Prof. Abreu-Suzuki (SUNY Old Westbury)

• Tuesday November 18 (4:30-5:30): Professor Murphy, "Decoding Secret Codes I"
• Tuesday November 25 (4:30-5:30): Professor Murphy, "Decoding Secret Codes II"
• Tuesday December 2 (4:30-5:30): Professor Sormani, "Constrained Optimization"
• Tuesday December 9 (4:30-5:30): Professor Rosholt, "The Towers of Hanoi"
• Winter Break through Washington's Birthday
• Tuesday February 24 (4:30-5:30): Professor Sormani, "Dimensions"
• Tuesday March 2 (4:30-5:30): Professor Rosholt, "The Problem of 16"
• Tuesday March 9 (4:30-5:30): Prof Sormani, "Winding Numbers and the Inversion of the Sphere"
• Tuesday March 16 (4:30-5:30): Professor Rouson "Forensic Software for Fire Investigation"
• Wednesday, March 31 (4pm Rm 127): Join the Lehman College CSM Scholars for a talk on Mathematical Finance
• Tuesday, April 20 (3pm Room 127): Join the Lehman College CSM Scholars for a talk on by an IBM programmer

Many nice math links can be found on the Franklin Institute Mathematics and Computer Science Hotlist, the NSA's USA Mathematical Talent Search, and the Lehman College Math and Computer Science Club's Math Website. Other programs for high school students at Lehman College can be found at http://www.lehman.cuny.edu/education/center/index.html

Our meetings in Spring 2003 were:

• Tuesday February 11 (4:00-5:30), Prof. Sormani, "Hyperbolic Space"
• Tuesday February 25 (4:00-5:30), Prof. Petrides, "Counting Lattice Points"
• Tuesday March 11 (4:00-5:30), Prof Petrides, "Counting Lattice Points II"
• Tuesday March 25 (4:00-5:30), Prof. Murphy, "Cryptography"
• Tuesday April 8 (4:00-5:30), Prof. StJohn, "Family Trees in Biology"

• Monday October 21 (4-5:45 pm): Prof Sormani, "Vectors"
  
• Monday November 4 (4-5:45 pm): Prof Sormani, "Lines and Circles"
  
• Monday November 18 (4-5:45pm): Prof Lakic, "Imaginary Numbers"
• Monday December 2 (4-5:45pm): Prof Lakic, "Geometry of the Complex Plane"

For more information about math circles check out the University of Utah Math Circle.